Analysis of interatomic Contacts of Structural Units in PDB entry:
3NGA


Contacts of Structural Units (CSU) are derived with the CSU software (Sobolev V., Sorokine A., Prilusky J., Abola E.E. and Edelman M. (1999) Automated analysis of interatomic contacts in proteins. Bioinformatics, 15, 327-332).
For CSU analysis of other PDB entry

This page provides analyses of contacts formed by:
For analysis of ligand-protein contacts, use: 3D structure can be seen in additional window with STING software for 3NGA entry

There are 2 chains in PDB entry 3NGA (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 SER 2ALA 332
B
 SER 2ALA 332
Residue contacts

1. List of contacts for up to 10 consecutive residues:
Chain ID from residue number to residue number


2. Detailed analyses of contacts for any single residue:
Residue number chain ID
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There are 40 helices in PDB entry 3NGA. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
20 25Right-handed alpha
Helix 2
2
A
26 29Right-handed 310
Helix 3
3
A
74 89Right-handed alpha
Helix 4
4
A
120 125Right-handed alpha
Helix 5
5
A
126 128Right-handed 310
Helix 6
6
A
129 150Right-handed alpha
Helix 7
7
A
158 160Right-handed 310
Helix 8
8
A
194 198Right-handed 310
Helix 9
9
A
199 204Right-handed alpha
Helix 10
10
A
211 228Right-handed alpha
Helix 11
11
A
237 250Right-handed alpha
Helix 12
12
A
250 261Right-handed alpha
Helix 13
13
A
268 274Right-handed alpha
Helix 14
14
A
280 285Right-handed 310
Helix 15
15
A
289 293Right-handed 310
Helix 16
16
A
294 305Right-handed alpha
Helix 17
17
A
308 312Right-handed 310
Helix 18
18
A
314 320Right-handed alpha
Helix 19
19
A
321 323Right-handed 310
Helix 20
20
A
324 331Right-handed alpha
Helix 21
21
B
20 25Right-handed alpha
Helix 22
22
B
26 29Right-handed 310
Helix 23
23
B
74 89Right-handed alpha
Helix 24
24
B
120 125Right-handed alpha
Helix 25
25
B
126 128Right-handed 310
Helix 26
26
B
129 150Right-handed alpha
Helix 27
27
B
158 160Right-handed 310
Helix 28
28
B
194 198Right-handed 310
Helix 29
29
B
199 204Right-handed alpha
Helix 30
30
B
211 228Right-handed alpha
Helix 31
31
B
237 250Right-handed alpha
Helix 32
32
B
250 261Right-handed alpha
Helix 33
33
B
268 274Right-handed alpha
Helix 34
34
B
280 285Right-handed 310
Helix 35
35
B
289 293Right-handed 310
Helix 36
36
B
294 305Right-handed alpha
Helix 37
37
B
308 312Right-handed 310
Helix 38
38
B
314 320Right-handed alpha
Helix 39
39
B
321 323Right-handed 310
Helix 40
40
B
324 331Right-handed alpha
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There are 6 sheets in PDB entry 3NGA. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F,

There are 6 strands in A sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
34 35first strand
Strand 2
A
97 102parallel
Strand 3
A
109 114anti-parallel
Strand 4
A
64 70anti-parallel
Strand 5
A
51 58anti-parallel
Strand 6
A
39 47anti-parallel
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There are 2 strands in B sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
152 153first strand
Strand 2
A
180 181anti-parallel
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There are 2 strands in C sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
162 165first strand
Strand 2
A
170 173anti-parallel
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There are 6 strands in D sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
34 35first strand
Strand 2
B
97 102parallel
Strand 3
B
109 114anti-parallel
Strand 4
B
64 70anti-parallel
Strand 5
B
51 58anti-parallel
Strand 6
B
39 47anti-parallel
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There are 2 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
152 153first strand
Strand 2
B
180 181anti-parallel
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There are 2 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
162 165first strand
Strand 2
B
170 173anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il